Excavator



FIG. 1 is a front perspective view of an excavator showing the new design;

FIG. 2 is a top view of the invention illustrated in FIG. 1;

FIG. 3 is a bottom view of the invention illustrated in FIG. 1;

FIG. 4 is a front view of the invention illustrated in FIG. 1;

FIG. 5 is a rear view of the invention illustrated in FIG. 1;

FIG. 6 is a right side view of the invention illustrated in FIG. 1; and,

FIG. 7 is a left side view of the invention illustrated in FIG. 1. 

CLAIM The ornamental design for an excavator, as shown and described. 